Public bug reported:

We are in the process of switching ubuntu-drivers to installing linux-
restricted-modules versions of NVidia drivers when it can, but this
fails when Ubiquity invokes ubuntu-drivers, like:

Setting up linux-modules-nvidia-440-5.4.0-25-generic (5.4.0-25.29) ...
 /var/lib/dpkg/info/linux-modules-nvidia-440-5.4.0-25-generic.postinst: 44: 3: B
ad file descriptor
 dpkg: error processing package linux-modules-nvidia-440-5.4.0-25-generic (--con
figure):
  installed linux-modules-nvidia-440-5.4.0-25-generic package post-installation 
script subprocess returned error exit status 2
 dpkg: dependency problems prevent configuration of linux-modules-nvidia-440-gen
eric-hwe-20.04:
  linux-modules-nvidia-440-generic-hwe-20.04 depends on linux-modules-nvidia-440
-5.4.0-25-generic (= 5.4.0-25.29); however:
   Package linux-modules-nvidia-440-5.4.0-25-generic is not configured yet.
 
 dpkg: error processing package linux-modules-nvidia-440-generic-hwe-20.04 
(--configure):
  dependency problems - leaving unconfigured

It's a problem with the nesting of debconf: Ubiquity itself is using
debconf, and ubuntu-drivers is installing -nvidia- packages which
themselves also use debconf, and we don't know how to connect ubuntu-
drivers use of debconf with the ubiquity one.

** Affects: linux-restricted-modules (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: ubiquity (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: ubuntu-drivers-common (Ubuntu)
     Importance: Undecided
         Status: New

** Also affects: ubuntu-drivers-common (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: linux-restricted-modules (Ubuntu)
   Importance: Undecided
       Status: New

** Summary changed:

- Can't install any packages via ubuntu-drivers which use debconf
+ Can't install any packages from ubiquity via ubuntu-drivers which use debconf

** Summary changed:

- Can't install any packages from ubiquity via ubuntu-drivers which use debconf
+ Can't install any packages with ubuntu-drivers using ubuntu-drivers when 
invoked from ubiquity

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Packages, which is subscribed to linux-restricted-modules in Ubuntu.
https://bugs.launchpad.net/bugs/1874278

Title:
  Can't install any packages with ubuntu-drivers using ubuntu-drivers
  when invoked from ubiquity

Status in linux-restricted-modules package in Ubuntu:
  New
Status in ubiquity package in Ubuntu:
  New
Status in ubuntu-drivers-common package in Ubuntu:
  New

Bug description:
  We are in the process of switching ubuntu-drivers to installing linux-
  restricted-modules versions of NVidia drivers when it can, but this
  fails when Ubiquity invokes ubuntu-drivers, like:

  Setting up linux-modules-nvidia-440-5.4.0-25-generic (5.4.0-25.29) ...
   /var/lib/dpkg/info/linux-modules-nvidia-440-5.4.0-25-generic.postinst: 44: 
3: B
  ad file descriptor
   dpkg: error processing package linux-modules-nvidia-440-5.4.0-25-generic 
(--con
  figure):
    installed linux-modules-nvidia-440-5.4.0-25-generic package 
post-installation 
  script subprocess returned error exit status 2
   dpkg: dependency problems prevent configuration of 
linux-modules-nvidia-440-gen
  eric-hwe-20.04:
    linux-modules-nvidia-440-generic-hwe-20.04 depends on 
linux-modules-nvidia-440
  -5.4.0-25-generic (= 5.4.0-25.29); however:
     Package linux-modules-nvidia-440-5.4.0-25-generic is not configured yet.
   
   dpkg: error processing package linux-modules-nvidia-440-generic-hwe-20.04 
(--configure):
    dependency problems - leaving unconfigured

  It's a problem with the nesting of debconf: Ubiquity itself is using
  debconf, and ubuntu-drivers is installing -nvidia- packages which
  themselves also use debconf, and we don't know how to connect ubuntu-
  drivers use of debconf with the ubiquity one.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux-restricted-modules/+bug/1874278/+subscriptions

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